![MS21-logo](https://enermaxlohas.com/ftp/pc/product/MS3121/logo_MS21.png)
HEAT VANQUISHED, PERFORMANCE UNLEASHED
The MarbleShell MS21 is designed for better airflow with the optimized marble-cutting design mesh front panel and four pre-installed 120mm ARGB PWM fans. Supporting up to 360 AIO in 38mm thickness and 8 fans.
![marbleshell-ms21-mid-tower-pc-case](https://enermaxlohas.com/ftp/pc/product/MS3121/MS21.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/ICON.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/bg_01.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/bg_02.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_01.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_02.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_03.png)
AVAILABLE IN TWO MODELS WITH TWO COLORS
MS31 BLACK RGB / MS31 WHITE RGB
MS21 BLACK RGB / MS21 WHITE RGB
MS31 BLACK RGB
MS31 WHITE RGB
MS21 BLACK RGB
MS21 WHITE RGB
![marbleshell-ms21/ms31-pc-case](https://enermaxlohas.com/ftp/pc/product/MS3121/MS2131.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_04.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_05.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_06.png)
BALANCE BETWEEN COOLING AND FUNCTIONALTY
Optimized airflow with mesh panel and pre-installed ARGB PWM fan offers a better cooling performance.
![marbleshell-ms21-pc-case](https://enermaxlohas.com/ftp/pc/product/MS3121/MS21-balance.png)
![marbleshell-ms21/31 Pre-installed 4x120mm ARGB PWM Fans](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_01.png)
![marbleshell-ms21/31 Reusable PCIe expansion slots](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_02.png)
![marbleshell-ms21/31 Full-view tempered glass side panel](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_03.png)
![marbleshell-ms21/31 Build-in USB 3.2 Gen2 Type C](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_04.png)
![marbleshell-ms21/31 Marble-cutting mesh panel](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_05.png)
![marbleshell-ms21-pc-case](https://enermaxlohas.com/ftp/pc/product/MS3121/MS21-balance.png)
![marbleshell-ms21/31 Pre-installed 4x120mm ARGB PWM Fans](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_01_m.png)
![marbleshell-ms21/31 Reusable PCIe expansion slots](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_02_m.png)
![marbleshell-ms21/31 Full-view tempered glass side panel](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_03_m.png)
![marbleshell-ms21/31 Build-in USB 3.2 Gen2 Type C](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_04_m.png)
![marbleshell-ms21/31 Marble-cutting mesh panel](https://enermaxlohas.com/ftp/pc/product/MS3121/hot_spot_05_m.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_07.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_08.png)
DELICATE MARBLE-CUTTING MESH FRONT PANEL FOR MORE AIRFLOW
As the cooling demand getting higher, the marble-cutting design mesh front panel ensures more air to enter your system for better ventilation.
PWM-CONTROLLED FANS IN STYLES
4 pre-installed 120mm ARGB PWM fans provide a lower noise level during idle or light loads while ensuring improved energy efficiency and a longer lifespan.
IN LINE WITH THE LASTEST TRENDS
Following the latest common charging cable agreement from EU Parliament, the built-in USB 3.2 Gen1 Type A and USB 3.2 Type C on I/O panel forward a more flexible application and faster data transfer speeds.
① Power Button
② Reset Button
③ USB 3.2 Gen1 Type A
④ HD Audio
⑤ USB 3.2 Gen1 Type A
⑥ USB 3.2 Gen2 Type C
![built-in USB 3.2 Gen1 Type A and USB 3.2 Gen2 Type C on I/O panel](https://enermaxlohas.com/ftp/pc/product/MS3121/USB.gif)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/bg_03.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_09.png)
EXTENSIVE COMPATIBILITY
The upgraded compatibility is designed to fulfill all the users’ needs.
![Up to 4 Drives](https://enermaxlohas.com/ftp/pc/product/MS3121/MS21-07.gif)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_10.png)
![](https://enermaxlohas.com/ftp/pc/product/MS3121/PD_02.png)
DUST-FREE PROTECTION
2 magnetic dust filters are equipped on top and front panels to prevent dust and debris from entering and damaging your system. A cleaner internal environment will also lead to better and more consistent airflow through your PC.
![](https://enermaxlohas.com/ftp/pc/product/MS3121/dot_11.png)
EXTENSIVE COMPATIBILITY
The upgraded compatibility is designed to fulfill all the users’ needs.
![GPU Holder](https://enermaxlohas.com/ftp/pc/product/MS3121/HOLDER.gif)
![marbleshell-ms21/31 system](https://enermaxlohas.com/ftp/pc/product/MS3121/system-ms21.jpg)